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Q 1/19
Score 0
How many protons combined do the elements Copper (Cu) and Zinc (Zn) have together?
120
52
11
59
23
Q 2/19
Score 0
What describes a chemical reaction?
60
staying the same
a liquid taking the shape of a container
evaporation of water
forming a new substance such as gas bubbles
19 questions
Q.
How many protons combined do the elements Copper (Cu) and Zinc (Zn) have together?
1
120 sec
Q.
What describes a chemical reaction?
2
60 sec
Q.
How would you classify a metal from a nonmetal?
3
60 sec
Q.
The net force of a vehicle that is accelerating at a rate of 15 m/s2 is 3000 newtons. What is the mass of the vehicle to the nearest kilogram? Remember: Force = Mass x Acceleration
4
120 sec
Q.
How many protons total does Nitrogen (N) and Oxygen (O) have together?
5
120 sec
Q.
Which group on the periodic table is different from the other groups?
6
120 sec
Q.
If a ball is motionless on flat ground. What best explain why the ball is motionless?
7
120 sec
Q.
How many atoms of each element are in one molecule of CH3C4H8O2
8
120 sec
Q.
The atomic number of Nitrogen is 7. If the mass number of a Nitrogen atom is 14, then how which is the correct answer?
9
120 sec
Q.
What is the energy transformation of a wind turbine?
10
120 sec
Q.
If a graduated cylinder is filled with 30 ml of water and a then a toy car is placed into the graduated cylinder, causing the water level displacement to go up to 35 ml and the toy car has a mass of 15 grams. What would the density of the toy car be?
11
120 sec
Q.
What set of conditions would best describe weather at the area of low pressure?
12
120 sec
Q.
What set of conditions best describes weather at the area of high pressure?
13
120 sec
Q.
What is a physical change that happens during digestion?
14
120 sec
Q.
Think of an atom, what determines the chemical reactivity of an atom?
15
120 sec
Q.
What does the word malleable mean?
16
120 sec
Q.
How many protons combined does Boron (B) and Carbon (C) have together?
17
120 sec
Q.
Rearrange the formula for Force to be a formula for Acceleration.
18
120 sec
Q.
How many atoms of each element are in one molecule of H2SO4
